The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 06, 2021
Filed:
Dec. 31, 2019
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Eileen Takeuchi, Tokyo, JP;
Koichi Nakata, Tokyo, JP;
Shubun Kujirai, Toride, JP;
Haruki Mori, Ichikawa, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/00 (2006.01); G03G 5/07 (2006.01); G03G 15/02 (2006.01); G03G 21/18 (2006.01); G03G 15/06 (2006.01); G03G 5/14 (2006.01); G03G 5/147 (2006.01);
U.S. Cl.
CPC ...
G03G 5/071 (2013.01); G03G 5/142 (2013.01); G03G 5/1476 (2013.01); G03G 5/14756 (2013.01); G03G 5/14769 (2013.01); G03G 15/0233 (2013.01); G03G 15/06 (2013.01); G03G 21/18 (2013.01);
Abstract
Provided is an electrophotographic photosensitive member including a surface layer containing: a copolymerization product of a composition containing a hole-transportable compound having a chain-polymerizable functional group and a compound having a specific structure; and metal oxide particles.